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3 years ago

What is the retail price of the original price was $50 and the markdown was 22%

Mathematics

1 answer:

boyakko [2]3 years ago

7 0

Hey You!

22 / 100 * 50 = 11

50 - 11 = 39

The retail price is $39.

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Write the equation of the circle with center (0,0) and (-1,-3) a point on the circle

saw5 [17]

Answer:

Equation of given circle :- x² + y² = 4

Step-by-step explanation:

The equation of the circle with center (0, 0) and radius r is given by,

x² + y² = r²

It is given that, a circle with center (0,0) and (-1,-3) a point on the circle

To find the radius of circle

radius r = √[(0 - - 1)² + (0 - -3)²] =√(1 + 3) =√4 = ±2

r = 2

<u>To find the equation of circle</u>

x² + y² = r²

x² + y² = 2²

x² + y² = 4

6 0

3 years ago

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Find the value of s.<br>1s + 14 = 26

belka [17]

Answer:

$12$

Step-by-step explanation:

$1s + 14 = 26\\ 1s = 26 - 14 \\ 1s = 12 \\ \\ s = \frac{12}{1} \\ \\ s = 12$

Thus, The Value Of S is 12

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3 years ago

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A scientist measured the energy of a system and found that it was increasing. The data shown represent the energy taken every bi

DiKsa [7]

At start ( t = 0 nanoseconds ) :

E ( t = 0 ) = 2.645 J

E ( t = 1 ) = 6.290 J

E ( t = 1 ) : E ( t = 0 ) = 6.290 : 2.645 = 2.37

Also:

E ( t = 2 ) : E ( t = 1 ) = 14.909 : 6.290 = 2.37

E ( t = 3 ) ; E ( t = 2 ) = 35.335 : 14.909 = 2.37

Therefore, the formula for calculating the energy of the system is:

E ( t ) = 2.645 * 2.37 ^ t

The answer is 4) exponential growth.

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3 years ago

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You have 2 quarts of orange juice and 1 pint of cranberry juice to make a fruit punch.then you use 1 quart more of ginger ale th

Oliga [24]

Convert everything to pints and add them up.
1 quart is 2 pints
4 pints of OJ+1 pint of CJ+(2+4) pints of GA= 11 pints of fruit punch

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3 years ago

Assume that the probability of a defective computer component is 0.02. Components arerandomly selected. Find the probability tha

solmaris [256]

Answer:

0.0177 = 1.77% probability that the first defect is caused by the seventh component tested.

The expected number of components tested before a defective component is found is 50, with a variance of 0.0208.

Step-by-step explanation:

Assume that the probability of a defective computer component is 0.02. Components are randomly selected. Find the probability that the first defect is caused by the seventh component tested.

First six not defective, each with 0.98 probability.

7th defective, with 0.02 probability. So

$p = (0.98)^6*0.02 = 0.0177$

0.0177 = 1.77% probability that the first defect is caused by the seventh component tested.

Find the expected number and variance of the number of components tested before a defective component is found.

Inverse binomial distribution, with $p = 0.02$

Expected number before 1 defective(n = 1). So

$E = \frac{n}{p} = \frac{1}{0.02} = 50$

Variance is:

$V = \frac{np}{(1-p)^2} = \frac{0.02}{(1-0.02)^2} = 0.0208$

The expected number of components tested before a defective component is found is 50, with a variance of 0.0208.

5 0

3 years ago